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-rw-r--r--src/vpp/api/api.c15
1 files changed, 10 insertions, 5 deletions
diff --git a/src/vpp/api/api.c b/src/vpp/api/api.c
index 989d867c06b..51d1edbfdae 100644
--- a/src/vpp/api/api.c
+++ b/src/vpp/api/api.c
@@ -481,7 +481,11 @@ show_log_details (vl_api_registration_t * reg, u32 context,
u32 msg_size;
vl_api_log_details_t *rmp;
- msg_size = sizeof (*rmp) + vec_len (msg_class) + vec_len (message);
+ int class_len =
+ clib_min (vec_len (msg_class) + 1, ARRAY_LEN (rmp->msg_class));
+ int message_len =
+ clib_min (vec_len (message) + 1, ARRAY_LEN (rmp->message));
+ msg_size = sizeof (*rmp) + class_len + message_len;
rmp = vl_msg_api_alloc (msg_size);
clib_memset (rmp, 0, msg_size);
@@ -491,10 +495,11 @@ show_log_details (vl_api_registration_t * reg, u32 context,
rmp->timestamp = clib_host_to_net_f64 (timestamp);
rmp->level = htonl (*level);
- strncpy ((char *) rmp->msg_class, (char *) msg_class,
- ARRAY_LEN (rmp->msg_class) - 1);
- strncpy ((char *) rmp->message, (char *) message,
- ARRAY_LEN (rmp->message) - 1);
+ memcpy (rmp->msg_class, msg_class, class_len - 1);
+ memcpy (rmp->message, message, message_len - 1);
+ /* enforced by memset() above */
+ ASSERT (0 == rmp->msg_class[class_len - 1]);
+ ASSERT (0 == rmp->message[message_len - 1]);
vl_api_send_msg (reg, (u8 *) rmp);
}